public class Person {
    private String name;
    private int age;

    public Person() {
    }

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
    /*public void keepPet(Dog dog,String something){
        System.out.println("年龄为"+age+"岁的"+name+"养了一只"+
                dog.getAge()+"岁的狗");
        dog.eat(something);
    }
    public void keepPet(Cat cat,String something){
        System.out.println("年龄为"+age+"岁的"+name+"养了一只"+
                cat.getAge()+"岁的猫");
        cat.eat(something);}*/

    public void keepPet(Animal a, String something) {
        if (a instanceof Dog d) {
            System.out.println("年龄为" + age + "岁的" + name + "养了一只" +
                    a.getAge() + "岁的狗");
            a.eat(something);
        } else if (a instanceof Cat c) {
            System.out.println("年龄为" + age + "岁的" + name + "养了一只" +
                    c.getAge() + "岁的狗");
            c.eat(something);
        } else {
            System.out.println("无这种动物");
        }
    }
}